Home / 8,045.73-11,102.67-4,643.12

Finding the Fourth Proportional to 8,045.73, 11,102.67 and 4,643.12

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Solution

The fourth proportional to 8,045.73, 11,102.67 and 4,643.12 is: 6,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.73 : 11,102.67 = 4,643.12 : x
  2. Step 2: Convert to fraction form
    8,045.73/11,102.67 = 4,643.12/x
  3. Step 3: Cross multiply
    8,045.73x = 11,102.67 × 4,643.12
  4. Step 4: Simplify right side
    8,045.73x = 51,551,056.89
  5. Step 5: Solve for x
    x = 51,551,056.89/8,045.73
  6. Step 6: Final answer
    x = 6,407.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.